"Low Cost" stepper motor axis with digital control (stepper)
Drive interface for "low cost" stepper motor axis NC → I/O (12 bytes)
No. | Data type | Byte | Bit | Def. Range | Variable Name | Description |
|---|---|---|---|---|---|---|
1 | INT32 | 0-3 | - | - | nOutData1 | Drive output data 1 (NC->I/O) |
2 | INT32 | 4-7 | - | - | nOutData2 | Drive output data 2 (NC->I/O) |
3 | UINT8 | 8 | - | - | nControlByte | Control byte |
3.0 | ... | 8 | 0 | 0/1 | bPhaseA | Phase A |
3.1 | ... | 8 | 1 | 0/1 | bPhaseAInv | Phase A inverse |
3.2 | ... | 8 | 2 | 0/1 | bPhaseB | Phase B |
3.3 | ... | 8 | 3 | 0/1 | bPhaseBInv | Phase B inverse |
3.4 | ... | 8 | 4 | 0/1 | - | RESERVE |
3.5 | ... | 8 | 5 | 0/1 | - | RESERVE |
3.6 | ... | 8 | 6 | 0/1 | bBreakInv | Inverse braking bit (0 = ACTIVE, 1 = PASSIVE) |
3.7 | ... | 8 | 7 |
| bBreak | Braking bit (1 = ACTIVE, 0 = PASSIVE) |
4 | UINT8 | 9 | - | - | nExtControlByte | Extended control byte |
4.0 | ... | 9 | 0 | 0/1 | bFrequency | Frequency (square wave signal) |
4.1 | ... | 9 | 1 | 0/1 | bDirectionPlus | Direction: positive |
4.2 | ... | 9 | 2 | 0/1 | - | RESERVE |
4.3 | ... | 9 | 3 | 0/1 | - | RESERVE |
4.4 | ... | 9 | 4 | 0/1 | - | RESERVE |
4.5 | ... | 9 | 5 | 0/1 | - | RESERVE |
4.6 | ... | 9 | 6 | 0/1 | - | RESERVE |
4.7 | ... | 9 | 7 | 0/1 | - | RESERVE |
5 | UINT16 | 10-11 | - | - | nReserved | Reserved bytes |